224995725 has 30 divisors (see below), whose sum is σ = 416773610. Its totient is φ = 119996640.

The previous prime is 224995703. The next prime is 224995747. The reversal of 224995725 is 527599422.

224995725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (224995703) and next prime (224995747).

It can be written as a sum of positive squares in 3 ways, for example, as 52099524 + 172896201 = 7218^2 + 13149^2 .

It is not a de Polignac number, because 224995725 - 2¹¹ = 224993677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 53530 + ... + 57579.

Almost surely, 2^224995725 is an apocalyptic number.

224995725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224995725 is a deficient number, since it is larger than the sum of its proper divisors (191777885).

224995725 is a wasteful number, since it uses less digits than its factorization.

224995725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111131 (or 111117 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 224995725 is about 14999.8574993231. The cubic root of 224995725 is about 608.2163474717.

It can be divided in two parts, 22499 and 5725, that added together give a square (28224 = 168²).

The spelling of 224995725 in words is "two hundred twenty-four million, nine hundred ninety-five thousand, seven hundred twenty-five".